Casing for food grinder



FIG. 1 is a front perspective view of a casing for food grinder showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a sectional view thereof taken generally along the line 5--5 in FIG. 1. 

The ornamental design for a casing for food grinder, as shown. 